<div>
  <div class="Radio">
    <input checked="" value="radio1" type="radio" name="radio" id="Radio1" />
    <label for="Radio1">Bubble 1</label>
  </div>
  <div class="Radio">
    <input value="radio2" type="radio" name="radio" id="Radio2" />
    <label for="Radio2">Bubble 2</label>
  </div>
</div>

<style>
/* From Uiverse.io by Pradeepsaranbishnoi  - Website: https://codepen.io/DeyJordan/pen/poQvgaz - Name: Jordan - Tags: flashy, green, bubble, radio, click */
.Radio input[type="radio"] {
  position: absolute;
  left: -100px;
}
.Radio input[type="radio"] + label {
  position: relative;
  display: block;
  line-height: 3rem;
  cursor: pointer;
  white-space: nowrap;
  color: #61cea5;
}

.Radio input[type="radio"] + label::before,
.Radio input[type="radio"] + label::after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  transition: 0.5s;
}

.Radio input[type="radio"] + label {
  padding-left: 3rem;
}

.Radio input[type="radio"] + label::before {
  width: 2rem;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: #61cea5;
}

.Radio input[type="radio"] + label::after {
  left: 0.2rem;
  width: 1.4rem;
  transform: translateY(-50%) scale(0);
}

.Radio input[type="radio"]:not(:checked) + label::after {
  animation: radio 0.5s linear;
}

.Radio input[type="radio"]:checked + label::after {
  transform: translateY(-50%) scale(1);
}

.Radio input[type="radio"] + label::after {
  aspect-ratio: 1 / 1;
  border: 0.1rem solid #fff;
  border-radius: 50%;
  background: radial-gradient(circle at 70% 30%, #fff, rgba(0, 0, 0, 0) 25%),
    radial-gradient(
      circle at 60% 55%,
      rgba(0, 0, 0, 0) 60%,
      rgba(255, 0, 255, 0.8) 100%
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(0, 0, 0, 0) 40%,
      rgba(0, 255, 255, 0.2) 60%,
      rgba(0, 0, 0, 0) 68%
    ),
    radial-gradient(
      circle at 50% 55%,
      rgba(0, 0, 0, 0) 35%,
      rgba(255, 255, 0, 0.2) 45%,
      rgba(0, 0, 0, 0) 55%
    );
}

@keyframes radio {
  0% {
    transform: translateY(-50%) scale(1);
  }
  100% {
    transform: translateY(-50%) scale(1.7);
  }
}

</style>
    